Research

Sorry, I’ve been a bit lazy about updating my profile lately. If you’re interested in any of my talks that aren’t listed below, just shoot me an email—I’d be happy to send you the manuscript.

1. Understanding the Impact of Sampling Quality in Direct Preference Optimization
   Kyung Rok Kim, Yumo Bai, Chonghuan Wang, Guanting Chen
   [arXiv]
   


2. Collaborative Prediction: To Join or To Disjoin Datasets
   Kyung Rok Kim, Yansong Wang, Xiaocheng Li, Guanting Chen
   UAI 2025 [arXiv]
   


3. Reward Modeling with Ordinal Feedback: Wisdom of the Crowd
   Shang Liu, Yu Pan, Guanting Chen, Xiaocheng Li
   ICML 2025 [arXiv]
   


4. Towards Better Understanding of In-Context Learning Ability from In-Context Uncertainty Quantification
   Shang Liu, Zhongze Cai, Guanting Chen, Xiaocheng Li
   [arXiv]
   


5. Understanding the Training and Generalization of Pretrained Transformer for Sequential Decision Making
   Hanzhao Wang, Yu Pan, Fupeng Sun, Shang Liu, Kalyan Talluri, Guanting Chen, Xiaocheng Li
   [arXiv]
   


6. Uncertainty Estimation and Quantification for LLMs: A Simple Supervised Approach
   Linyu Liu, Yu Pan, Xiaocheng Li, Guanting Chen
   [arXiv]
   


7. Learning to Make Adherence-Aware Advice
   Guanting Chen, Xiaocheng Li, Chunlin Sun, Hanzhao Wang
   ICLR 2024 [arXiv]
   


8. Facilitating Battery Swapping Services for Freight Trucks with Spatial-Temporal Demand Prediction
   Linyu Liu, Zhen Dai, Shiji Song, Xiaocheng Li, Guanting Chen
   NeurIPS 2023 Workshop on Tackling Climate Change with Machine Learning [arXiv]
   


9. Fairer LP-based Online Allocation
   Guanting Chen, Xiaocheng Li, Yinyu Ye
   Under Review [arXiv]
   


10. An Improved Analysis of LP-based Control for Revenue Management
    Guanting Chen, Xiaocheng Li, Yinyu Ye
    Operations Research [arXiv]
    


11. Unbiased Simulation Estimator for Multivariate Jump-Diffusions
    Guanting Chen, Alex Shkolnik, Kay Giesecke
    Under Review [SSRN]
    An earier version appeared in Proceedings of the Winter Simulation Conference (WSC) 2019 [Link]
    


12. Unbiased Gradient Simulation for Zeroth-order Optimization
    Guanting Chen
    Proceedings of the Winter Simulation Conference (WSC) 2020 [Link]
    


13. Unbiased Simulation Estimators for Path Integrals of Diffusions
    Guanting Chen, Alex Shkolnik, Kay Giesecke
    Finalist for Best Contributed Theory Paper
    Proceedings of the Winter Simulation Conference (WSC) 2020 [Link]
    


14. An Adaptive State Aggregation Algorithm for Markov Decision Processes
    Guanting Chen, Johann Demetrio Gaebler, Matt Peng, Chunlin Sun, Yinyu Ye
    Working paper [arXiv]